CumminsSpn 3509 Fmi 4 DTC Code

5 Volt Sensor Supply #1 Voltage Low

5v Sensor Supply 1 Short To Ground: Sensor Supply Voltage 1 Voltage Below Normal, Or Shorted To Low Source; Short Circuit To Ground On Sensor Supply 1

5v Sensor Supply Bank 1 Circuit Failed Low

Acm Sensor Supply 1 Short To Ground

Cummins SPN 3509 FMI 4 problem code is about Acm Sensor Supply 1 Short To Ground. If you don't take the time to look into Spn 3509 Fmi 4 engine problem when it arises, it can add up quickly. One small issue like Spn 3509 Fmi 4 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: This description represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual.

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.

SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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